998466 has 16 divisors (see below), whose sum is σ = 2282304. Its totient is φ = 285264.

The previous prime is 998443. The next prime is 998471. The reversal of 998466 is 664899.

998466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 23773 = 998466 / (9 + 9 + 8 + 4 + 6 + 6).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998466.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11845 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (142644).

2⁹⁹⁸⁴⁶⁶ is an apocalyptic number.

998466 is an abundant number, since it is smaller than the sum of its proper divisors (1283838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998466 is a wasteful number, since it uses less digits than its factorization.

998466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23785.

The product of its digits is 93312, while the sum is 42.

The square root of 998466 is about 999.2327056297. The cubic root of 998466 is about 99.9488404982.

It can be divided in two parts, 99846 and 6, that multiplied together give a square (599076 = 774²).

The spelling of 998466 in words is "nine hundred ninety-eight thousand, four hundred sixty-six".